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 ###Instrução: Pergunta: Nomeie a liga para 2000
 ###Tabelas: CREATE TABLE year-by-year (year-by-year_id AUTO_INCREMENT PRIMARY KEY, Year INT, Division INT, League VARCHAR, Regular Season VARCHAR, Playoffs VARCHAR, Open Cup VARCHAR) CREATE TABLE round_1_venues (round_1_venues_id AUTO_INCREMENT PRIMARY KEY, Region VARCHAR, Host VARCHAR, Venue VARCHAR, City VARCHAR, State VARCHAR) CREATE TABLE ships_in_which_bolitho_serves (ships_in_which_bolitho_serves_id AUTO_INCREMENT PRIMARY KEY, Ship VARCHAR, Guns VARCHAR, Class VARCHAR, Captain VARCHAR, Rank VARCHAR, Year VARCHAR) CREATE TABLE federal_representation (federal_representation_id AUTO_INCREMENT PRIMARY KEY, Federal State VARCHAR, Number of Members INT, % Of total Members VARCHAR, Population (on the census also called Censo 2010) VARCHAR, % Of the population (Censo 2010) VARCHAR, Representativeness (Inhabitants / Mr) VARCHAR, Representatives of national average VARCHAR, Deputies required ignoring the limits INT) CREATE TABLE officially_assigned_code_elements (officially_assigned_code_elements_id AUTO_INCREMENT PRIMARY KEY, English short name (upper/lower case) VARCHAR, Alpha-2 code VARCHAR, Alpha-3 code VARCHAR, Numeric code INT, ISO 3166-2 codes VARCHAR)  
SELECT League FROM year-by-year WHERE Year = 2000